• Irritancy and allergic responses induced by topical application of ortho-phthalaldehyde. (cdc.gov)
  • Although ortho-phthalaldehyde (OPA) has been suggested as an alternative to glutaraldehyde for the sterilization and disinfection of hospital equipment, the toxicity has not been thoroughly investigated. (cdc.gov)
  • Ortho-phthalaldehyde (OPA) received clearance by FDA in October 1999. (showa-america.com)
  • Ortho-phthalaldehyde (OPA) was tested against a range of organisms including glutaraldehyde-resistant mycobacteria, Bacillus subtilis spores and coat-defective spores. (showa-america.com)
  • Precolumn derivatization with ortho-phthalaldehyde and metabolism (glucocorticoids), mineral balance daily dose that keeps symptoms away. (iccv2013.org)
  • The following methods were used for DH determination: formol titration, soluble protein content, ortho-phthalaldehyde (OPA), and freezing point. (bvsalud.org)
  • 2014) report that neither the tested 2% glutaraldehyde solution nor the 0.55% ortho -phthalaldehyde solution reduced the infectivity of the HPV when each was used according to its respective FDA-cleared labeling. (lfm-hcs.com)
  • 2014) found, too, that both the ortho -phthalaldehyde and 3.4% glutaraldehyde solutions failed to reduce HPV's infectivity during a contact time of as long as 24 hours (at room temperature), which is an extended contact time that, at least according to this latter high-level disinfectant's label, is ordinarily sporicidal. (lfm-hcs.com)
  • Trophon, ortho-phthalaldehyde) and sterilant chemicals (e.g., peracetic acid). (cbspdexam.com)
  • Hexamethylenediamine, HMDA and Ethylenediamine, EDA were used as the spacer arms, while glutaraldehyde, GA and o-phthalaldehyde, OPA were used as the ligands. (upm.edu.my)
  • In particular, Moore and coworkers conducted rigorous mechanistic studies on poly(phthalaldehyde) by modifying the type of catalyst used, as well as the starting monomer concentration in an effort to control the molar mass, decrease the polydispersity index, and increase the polymer's purity. (wikipedia.org)
  • Essentially the most active aldehyde was phthalaldehyde (One) with the EC50 value of 11 +/- 6 mg/L accompanied by salicylaldehyde (A couple of) and also cinnamic aldehyde (3) using EC50 ideals regarding Eleven +/- 1 and also 14 +/- Your five mg/L, correspondingly. (akt-signal.com)
  • Poly(phthalaldehyde) was first reported in 1967 by Chuji Aso and Sanae Tagami from the department of Organic Synthesis at Kyushu University by an addition homopolymerization reaction of aromatic o-phthalaldehyde. (wikipedia.org)
  • The outcome of the study demonstrate that aromatic redox-active aldehydes can be viewed as because strong nematicides, and further exploration is needed to fully make clear his or her method regarding actions.Regular cellular material enter the senescent point out about aberrant oncogenic signs and this result prevents tumor initiation and also development. (akt-signal.com)
  • May 27, 2015 - A recent study suggests that some disinfectants commonly used in hospitals may be ineffective against certain types of the HPV virus. (lfm-hcs.com)
  • This study set out to determine the effects of 24-epibrassinolide, at concentrations of 10-7 M and 0.5 × 10-9 M, and clotrimazole (inhibitor of brassinosteroid synthesis), at 10-4 M, on nitrate uptake and metabolism in plants of C. cajan (L.) Millsp, cultivar C11, growing under salinity. (springeropen.com)
  • In this study, we investigated whether 24-epibrassinolide can revert the adverse effects of salt on growth of C. cajan through changes in nitrate uptake and metabolism. (springeropen.com)
  • Although our study focused on N metabolism in the root (in contrast to many studies) we included the analysis of amino acids in the xylem sap in view of the absence of information regarding the influence of brassinosteroids on nitrogen transport to the shoot. (springeropen.com)
  • In this study, soluble dietary fiber (SDF) and insoluble dietary fiber (IDF) were extracted from Pyrus ussuriensis Maxim pomace via three methods including enzymic extraction (EE), microwave-assisted enzymatic extraction (MEE), and three-phase partitioning (TPP). (mdpi.com)
  • The redox-active compounds including phthalaldehyde (One particular) and salicylaldehyde (Two) might discuss a standard setting involving actions inhibiting nematode V-ATPase enzyme. (akt-signal.com)
  • Although cleaning substances are routinely used in hospitals, few studies have addressed their potential adverse respiratory health effects on healthcare professionals (HCPs). (bmj.com)
  • OPA has demonstrated excellent microbiocidal activity in in vitro studies [ 2 , 3 ] . (showa-america.com)
  • incognita in in vitro studies directed us all to be able to hypothesize an alternative mechanism associated with motion instead of an impact on the particular outside cuticle change of nematodes. (akt-signal.com)
  • For instance, by controlling the o-phthalaldehyde monomer/alcohol initiator concentration ratio, ultra-high molecular weights (50-150 KDa) PPA can be obtained. (wikipedia.org)
  • Thus, this study aimed to elucidate butanol stress responses that may involve in unique tolerance of B. subtilis 168 to butanol and other alcohol biocommodities. (biomedcentral.com)
  • In this study, two sets of o -phthalaldehyde (OPA)-based fluorescent diastereomers of D/L-amino acids were formed using two chiral thiols of N -acetyl-L-cysteine (NAC) and N -isobutyryl-L-cysteine (NIBC) independently. (go.jp)
  • Since the Biological Effects of Ionizing Radiation report by the National Academies in 2006, new publications from large, well-powered epidemiological studies of low doses have reported positive dose-response relationships. (cdc.gov)
  • We conducted a systematic review of epidemiological studies with mean doses less than 100 mGy published 2006-2017. (cdc.gov)
  • These VOC profiles are useful for estimating exposures for occupational hazard ranking for industrial hygienists as well as epidemiological studies. (cdc.gov)
  • Previous results on estrone glucuronidation are incomplete and conflicting, while glucuronidation of 16α-hydroxyestrone has not been systematically studied. (helsinki.fi)
  • The aim of this monograph was to systematically review the potential biases in these studies (including dose uncertainty, confounding, and outcome misclassification) and to assess whether the subset of minimally biased studies provides evidence for cancer risks from low-dose radiation. (cdc.gov)
  • BACKGROUND: A monograph systematically evaluating recent evidence on the dose-response relationship between low-dose ionizing radiation exposure and cancer risk required a critical appraisal of dosimetry methods in 26 potentially informative studies. (cdc.gov)
  • Most notably, living polymerization methods are among the most common and promising techniques used, as can be seen in the high number of publications in the literature depicting their usage in poly(phthalaldehyde) preparation. (wikipedia.org)
  • METHODS: The relevant literature included studies published in 2006-2017. (cdc.gov)
  • Future studies would benefit from a comprehensive evaluation of dose estimation errors, including methods accounting for their potential effects on dose-response associations. (cdc.gov)
  • Four other laboratories that use other HPLC methods for analysis of Aflatoxins participated in this study. (pickeringlabs.com)
  • Several years ago, researchers from UC Davis presented a study at American Association of Veterinary Laboratory Diagnosticians (AAVLD) annual meeting comparing the use of LC/MS methods and post-column derivatization methods for analysis of polyether antibiotics in feeds and biological samples. (atloggerheads.net)
  • Despite metformin being widely used in T2D treatment [ 7 , 19 ], recent clinical studies evaluated dual therapy with insulin and metformin for type 1 diabetic (T1D) patients [ 20 , 21 ]. (hindawi.com)
  • This study attempts to identify relationship between work-related exposure to cleaning-related chemicals and development of WRA among HCPs. (bmj.com)
  • Strongly recommended for implementation and supported by some experimental, clinical, or epidemiologic studies, and by a strong theoretical rationale. (cdc.gov)
  • Suggested for implementation and supported by suggestive clinical or epidemiologic studies or by a theoretical rationale. (cdc.gov)
  • At least two dosimetrists reviewed each study and appraised the strengths and weaknesses of the dosimetry systems used, including assessment of sources and effects of dose estimation error. (cdc.gov)
  • Six studies appeared to have known or suspected biases in dose estimates. (cdc.gov)
  • The potential for these biases to cause a spurious dose-response association was constrained to three case-control studies that relied extensively on information gathered in interviews conducted after case ascertainment. (cdc.gov)
  • CONCLUSIONS: The potential for spurious dose-response associations from dose information appeared limited to case-control studies vulnerable to recall errors that may be differential by case status. (cdc.gov)
  • One of the main findings of this qualitative part of the study was challenges in cooperation in home care services in the LOST Region. (helsinki.fi)
  • The findings of this study suggest that OPA is effective against GTA-resistant mycobacteria and that it is a viable alternative to GTA for high level disinfection. (showa-america.com)
  • In the present study, we used pancreatin for hydrolyzing whey proteins and evaluated the degree of hydrolysis (DH) and peptide size distribution. (bvsalud.org)
  • In addition, the present study has also proven the importance of selecting suitable coupling agents as they have different effect on the properties of the immobilized enzymes. (upm.edu.my)
  • Present study highlights the potential benefits of a probiotic supplemented diet in improving various aspects of host health due to their multi-targeted approach, thereby resulting in multi-faceted gains. (biomedcentral.com)
  • The present study investigated the effects of insulin and/or metformin treatment on oxidative stress levels in the gastrocnemius muscle of diabetic rats. (hindawi.com)
  • The purpose of the present study was to verify the action of metformin combined with insulin in oxidative stress control of streptozotocin-diabetic rats. (hindawi.com)
  • Evaluation of the sensitization phase as an endpoint stimulate keratinocytes present in the epidermis of the skin results in a reduced time for animals to be on study and to release inflammatory mediators such as interleukins 1, 6 eliminates the discomfort associated with the development of and 18, granulocyte-macrophage colony-stimulating factor, inflammation in the elicitation phase of the response. (cdc.gov)
  • The purpose of these studies was to evaluate the irritancy and sensitization potential of OPA. (cdc.gov)
  • Hence the objectives in this research are to study the potential of bleached kenaf bast micro fibre as the support matrix for covalent immobilization of cyclodextrin glucanotransferase (CGTase) and also to investigate the effect of different spacer arms and ligands on the properties of the immobilized CGTase. (upm.edu.my)
  • From this study, the potential of bleached kenaf bast micro fibre has been confirmed since it can enhance the performance of all the immobilized CGTase, regardless of the coupling agents used. (upm.edu.my)
  • Our CSPDT practice test is designed to maximize your study time. (cbspdexam.com)
  • Aso and Tagami were the first to report the polymerization of o-phthalaldehyde in 1967 using the cationic living polymerization technique. (wikipedia.org)
  • The aim of this study was to explore pharmacotherapy-related training needs of health care professionals involved in the home care services for the elderly in the Social and Health Care Cooperation Region of Lohja, Siuntio, Inkoo and Karjalohja (the LOST Region). (helsinki.fi)
  • Several studies have shown that brassinosteroids attenuate the effects of salt stress. (springeropen.com)
  • Several studies have shown that the primary effect of metformin is the inhibition of mitochondrial complex I (NADH: ubiquinone oxidoreductase) [ 11 - 13 ]. (hindawi.com)
  • In order to ensure the optimum performance of the immobilized enzymes in industrial operations, it is also required to study the effect of coupling agents (spacer arms and ligands) on the properties of the immobilized enzymes. (upm.edu.my)
  • In the current study, prophylactic effect of Lactiplantibacillus plantarum (RTA 8) in preventing neurological complications occurring due to Salmonella brain infection was evaluated in a murine model. (biomedcentral.com)
  • For storage stability at 60oC, CGTase immobilized with ethylenediamine and o-phthalaldehyde, has retained 60% of its initial activity after 15 days of storage. (upm.edu.my)
  • In the following years, polymer chemists started studying the characteristics of this polymer and worked on enhancing its thermal stability and mechanical properties. (wikipedia.org)
  • While LCP was the first and sole method used to produce poly(phthalaldehyde), its usage nowadays has dramatically decreased in favor of other polymerization techniques which allow a better control over the polymer properties including molar mass and thermal stability. (wikipedia.org)
  • RESULTS: The review included 8 environmental, 4 medical, and 14 occupational studies that varied in properties relative to evaluation criteria. (cdc.gov)
  • Case study: an independently owned Spanish community pharmacy with a health care service vision. (fip.org)
  • Studies comprised case-control and cohort designs examining populations predominantly exposed to sparsely ionizing radiation, mostly from external sources, resulting in average doses of no more than 100 mGy. (cdc.gov)
  • Cholesterol is the common substrate been studied in Caucasian steroid supplement and a natural hormone. (iccv2013.org)
  • The aim of this study was to identify UGTs active in the glucuronidation of estrone and 16α-hydroxyestrone and to further examine the glucuronidation kinetics of the active UGTs. (helsinki.fi)
  • The excess relative risk at 100 mGy was positive for 16 of 22 solid cancer studies and 17 of 20 leukemia studies. (cdc.gov)
  • But we need many more studies on them to compare their relative effectiveness and to compare them with other approaches and also with placebos. (blogspot.com)
  • Here, we describe the framework for the systematic bias review and provide an overview of the eligible studies. (cdc.gov)